Sassafras
The leaves of the Sassafras Tree can be dried and made into a powder that is a good thickener for soups and stews, it gives a very good flavor when cooking with it.
Also you can use the roots of saplings (I generally use about 5 or six small pieces), cut them from the green stem, wash the dirt off and place them in water. Boil this until the water turns slightly reddish in color. If you prefer a stronger tea, boil it longer. You may add sugar or honey to this tea if you desire and it can be serves hot or cold. This is a refreshing tea and one that was once well loved here in the South.